docs: def main(**kwargs):
      """
      \b
      Starts a countdown to or from TIME. Example values for TIME:
      10, '1h 5m 30s', '12:00', '2020-01-01', '2020-01-01 14:00 UTC'.
      \b
      If TIME is not given, termdown will operate in stopwatch mode
      and count forward.
      \b
      Hotkeys:
      \tL\tLap (stopwatch mode only)
      \tR\tReset
      \tSPACE\tPause (will delay absolute TIME)
      \tQ\tQuit
      """
      if kwargs['time_format'] is None:
          kwargs['time_format'] = \
                  DEFAULT_TIME_FORMAT[:-3] if kwargs['no_seconds'] else DEFAULT_TIME_FORMAT
  
      if kwargs['timespec']:
          curses.wrapper(countdown, **kwargs)
      else:
          seconds_elapsed, laps = curses.wrapper(stopwatch, **kwargs)
  
          for lap_index, lap_time in enumerate(laps):
              stderr.write("{:.3f}\t{}\tlap {}\n".format(
                  lap_time,
                  format_seconds(int(lap_time)),
                  lap_index + 1,
              ))
  
          if laps:
              stderr.write("{:.3f}\t{}\tlap {}\n".format(
                  seconds_elapsed,
                  format_seconds(int(seconds_elapsed)),
                  len(laps) + 1,
              ))
              laps.append(seconds_elapsed)
              total_seconds = sum(laps)
              average_seconds = total_seconds / len(laps)
              stderr.write("{:.3f}\t{}\tlap avg\n".format(
                  average_seconds,
                  format_seconds(int(average_seconds)),
              ))
              stderr.write("{:.3f}\t{}\ttotal\n".format(
                  total_seconds,
                  format_seconds(int(total_seconds)),
              ))
          else:
              stderr.write("{:.3f}\t{}\ttotal\n".format(
                  seconds_elapsed,
                  format_seconds(int(seconds_elapsed)),
              ))
          stderr.flush()